PUMaC 2007 · 个人决赛（B 组） · 第 3 题
PUMaC 2007 — Individual Finals (Division B) — Problem 3
题目详情
- Find the minimum number of colors necessary to color the integers from 1 to 2007 such that if distinct integers a , b , and c are the same color, then a 6 | b or b 6 | c . 1
解析
暂无解答链接。
Original Explanation
No solutions link available.